Charge transport in organic semiconductors: From incoherent to coherent |
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Authors: | Yao Yao Wei Si WenChao Yang Chang-Qin Wu |
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Institution: | 1. State Key Laboratory of Surface Physics, Department of Physics, Fudan University, Shanghai, 200433, China
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Abstract: | Quantum decoherence in organic charge transport is a complicated but crucial topic. In this paper, several theoretical approaches corresponding to it, from incoherent to coherent, are comprehensively reviewed. We mainly focus on the physical insight provided by each theory and extent of its validity. The aim of this review is to clarify some contentious issues and elaborate on the promising perspectives provided by different approaches. The device model approaches based on both continuous and discretized treatments of the transporting layer will be first discussed. The prominent focus of this review will be devoted to the dynamic disorder model and its variants considering that it is the most promising approach to tackle charge transport problems in organic materials. We will also address other theories such as the variational method. |
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